<template>
  <div class="login_container">
      <div class="login_box">
          <!-- 头像 -->
          <div class="avatar_box">
            <img src="../assets/logo.png" alt="">
      </div>
          <!-- 登录表单 -->
          <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" class="login_form">
              <!-- 用户名 -->
            <el-form-item prop="username">
              <el-input v-model="loginForm.username" prefix-icon="el-icon-user"></el-input>
            </el-form-item>
            <!-- 密码 -->
            <el-form-item prop="password">
              <el-input v-model="loginForm.password" prefix-icon="el-icon-lock" type="password"></el-input>
            </el-form-item>
            <!-- 按钮 -->
            <el-form-item class="btns">
               <el-button type="primary" @click="login">登录</el-button>
               <el-button type="info" @click="resetLoginForm">重置</el-button>
            </el-form-item>
           </el-form>
      </div>
      
  </div>
</template>


<script>
export default {
  data() {
    return {
      // 这是登录表单的数据绑定对象
      loginForm: {
        username: "admin",
        password: "123456"
      },
      // 表单验证
      loginFormRules: {
        // 验证用户名
        username: [
          { required: true, message: "请输入登录名称", trigger: "blur" },
          { min: 3, max: 10, message: "长度在 3 到 10 个字符", trigger: "blur" }
        ],
        // 验证密码
        password: [
          { required: true, message: "请输入登录密码", trigger: "blur" },
          { min: 6, max: 15, message: "长度在 6 到 15 个字符", trigger: "blur" }
        ]
      }
    };
  },
  methods: {
    // 重置
    resetLoginForm() {
      // console.log(this);
      this.$refs.loginFormRef.resetFields();
    },
    login() {
      this.$refs.loginFormRef.validate(async valid => {
        // console.log(valid);
        if (!valid) return false;
        const { data: res } = await this.$http.post("login", this.loginForm);

        if (res.meta.status !== 200) return this.$message.error("登录失败!");

        this.$message.success("登录成功!");
        console.log(res);
        window.sessionStorage.setItem("token", res.data.token);

        this.$router.push("/home");
      });
    }
  }
};
</script>



<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    //box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}

.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}

.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
